import java.util.Scanner;

/**
 * @Author MDD
 * @Description
 * @Version
 * @Date
 **/
public class OrderFoode2 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        // 初始化3个数组存储菜品、价格、点赞数
        String[] dishNames = { "苦瓜炒鸡蛋", "红烧排骨", "辣子鸡丁", "石锅鱼", "麻婆豆腐" };
        double[] prices = { 15.0, 30.0, 35.0, 90.0, 20.0 };
        int[] praiseNums = new int[5];
        // 在初始化6个数组用于存储订单信息
        String[] names = new String[5];// 保存订餐人姓名
        String[] dishMegs = new String[5];// 保存所选菜品名
        int[] dishNums = new int[5];// 保存所选菜品份数
        int[] times = new int[5];// 保存送餐时间
        String[] addresses = new String[5];// 保存送餐地址
        int[] states = new int[5];// 保存订单状态：0表示已预订，1表示已完成
        double[] sumPrices = new double[5];// 保存订单的总金额

        // 初始化2条订单信息
        // 第1条
        names[0] = "王大锤";
        dishMegs[0] = "辣子鸡丁";
        dishNums[0] = 2;
        times[0] = 12;
        addresses[0] = "莞太路3号";
        states[0] = 0;
        sumPrices[0] = 70.0;
        // 第2条
        names[1] = "王大柱";
        dishMegs[1] = "麻婆豆腐";
        dishNums[1] = 1;
        times[1] = 19;
        addresses[1] = "建设路2号";
        states[1] = 1;
        sumPrices[1] = 25.0;

        /* 实现菜单切换 */
        System.out.println("欢迎使用“吃货联盟订餐系统”");
        int num = 1;// 用户输入0返回主菜单否则退出系统
        boolean isExit = false;// 标记用户是否退出系统，true为退出
        // 循环控制用户输入选择并执行
        do {
            System.out.println("************************");
            System.out.println("1、我要订餐");
            System.out.println("2、查看餐袋");
            System.out.println("3、签收订单");
            System.out.println("4、删除订单");
            System.out.println("5、我要点赞");
            System.out.println("6、退出系统");
            System.out.println("************************");
            System.out.print("请选择：");
            num = sc.nextInt();// 用户输入所要选择进行的操作

            /* 使用switch结构来建立选择内容 */

            switch (num) {
                case 1:// 我要订餐
                    System.out.println("***我要订餐***");
                    boolean isAdd = false;// 记录是否可以点餐
                    for (int i = 0; i < names.length; i++) {
                        if (names[i] == null) {
                            isAdd = false;
                            System.out.print("请输入订餐人姓名：");
                            String name = sc.next();
                            System.out.println("序号" + "\t" + "菜名" + "\t\t" + "单价" + "\t" + "点赞数");
                            for (int j = 0; j < dishNames.length; j++) {
                                System.out.println(
                                        (j + 1) + "\t" + dishNames[j] + "\t\t" + prices[j] + "元" + "\t" + praiseNums[j]);
                            }
                            System.out.print("请选择您要点的菜品编号：");
                            int chooseDish = sc.nextInt();
                            String dishMeg = dishNames[chooseDish - 1];
                            System.out.print("请选择您需要的份数：");
                            int number = sc.nextInt();
                            System.out.print("请输入送餐时间（送餐时间是10点至20点间整点送餐）：");
                            int time = sc.nextInt();
                            while (time < 10 || time > 20) {
                                System.out.print("您的输入有误，请输入10-20间的整数");
                                time = sc.nextInt();
                            }
                            System.out.print("请输入送餐地址：");
                            String address = sc.next();
                            // 默认可以预定，不用写订单状态
                            System.out.println("订餐成功！");
                            System.out.println("您定的是：" + dishNames[chooseDish - 1] + number + "份");
                            System.out.println("送餐时间：" + time + "点");
                            double sumPrice = prices[chooseDish - 1] * number;// 计算餐费
                            double sendMoney = (sumPrice >= 50) ? 0 : 5;// 计算送餐费
                            System.out.println("餐费：" + sumPrice + "元，" + "送餐费" + sendMoney + "元，" + "总计："
                                    + (sumPrice + sendMoney) + "元。");
                            // 添加数据
                            names[i] = name;
                            dishMegs[i] = dishMeg;
                            times[i] = time;
                            dishNums[i] = number;
                            addresses[i] = address;
                            sumPrices[i] = sumPrice + sendMoney;
                            break;
                        }
                        if (isAdd) {
                            System.out.println("对不起，您的餐袋已满！");
                        }
                    }
                    break;
                case 2:// 查看餐袋
                    System.out.println("***查看餐袋***");
                    System.out.println("序号\t订餐人\t餐品名称\t餐品数量\t送餐时间\t送餐地址\t总金额\t订单状态");
                    for (int i = 0; i < names.length; i++) {
                        if (names[i] != null) {
                            String state = (states[i] == 0) ? "已预订" : "已完成";
                            System.out.println((i + 1) + "\t" + names[i] + "\t" + dishMegs[i] + "\t" + dishNums[i] + "份"
                                    + "\t" + times[i] + "\t" + addresses[i] + "\t" + sumPrices[i] + "元" + "\t" + state);
                        }
                    }
                    break;
                case 3:// 签收订单
                    System.out.println("***签收订单***");
                    boolean isSignFind = false;
                    System.out.print("请选择要签收的订单序号：");
                    int sign = sc.nextInt();
                    for (int i = 0; i < names.length; i++) {
                        if (names[i] != null && states[i] == 0 && sign == i + 1) {
                            states[i] = 1;
                            System.out.println("订单签收成功！");
                            isSignFind = true;// 标记已找到的订单
                        } else if (names[i] != null && states[i] == 1 && sign == i + 1) {
                            System.out.println("您选择的订单已完成签收，不能再次签收！");
                            isSignFind = true;// 标记已找到的订单
                        }
                    }
                    if (!isSignFind) {
                        System.out.println("您选择的订单不存在！");
                    }
                    break;
                case 4:// 删除订单
                    System.out.println("***删除订单***");
                    boolean isDelFind = false;
                    System.out.print("请输入要删除的订单序号：");
                    int delID = sc.nextInt();
                    for (int i = 0; i < names.length; i++) {
                        // 根据状态值判断能不能删除，只有已完成的才能删除
                        if (names[i] != null && states[i] == 1 && delID == i + 1) {
                            isDelFind = true;
                            for (int j = delID - 1; j < names.length - 1; j++) {
                                names[j] = names[j + 1];
                                dishMegs[j] = dishMegs[j + 1];
                                dishNums[j] = dishNums[j + 1];
                                times[j] = times[j + 1];
                                addresses[j] = addresses[j + 1];
                                states[j] = states[j + 1];
                                sumPrices[j] = sumPrices[j + 1];
                            }
                            // 将最后一位清空
                            names[names.length - 1] = null;
                            dishMegs[names.length - 1] = null;
                            dishNums[names.length - 1] = 0;
                            times[names.length - 1] = 0;
                            addresses[names.length - 1] = null;
                            states[names.length - 1] = 0;
                            sumPrices[names.length - 1] = 0;
                            System.out.println("删除订单成功！");
                            break;
                        } else if (names[i] != null && states[i] == 0 && delID == i + 1) {
                            isDelFind = true;
                            System.out.println("您选择的订单未签收，不能删除！");
                            break;
                        }
                    } // 未找到的订单不能删除
                    if (!isDelFind) {
                        System.out.println("您要删除的订单不存在！");
                    }
                    break;
                case 5:// 我要点赞
                    System.out.println("***我要点赞***");
                    // 显示菜品信息
                    System.out.println("序号\t菜名\t单价");
                    for (int i = 0; i < dishNames.length; i++) {
                        String priaiseNum = (praiseNums[i] > 0) ? praiseNums[i] + "赞" : "";
                        System.out.println((i + 1) + "\t" + dishNames[i] + "\t" + prices[i] + "元" + priaiseNum);
                    }
                    System.out.print("请选择您要点赞的菜品序号：");
                    int number = sc.nextInt();
                    praiseNums[number - 1]++;
                    System.out.println("点赞成功");
                    break;
                case 6:// 退出系统
                    isExit = true;
                    break;
                default:// 退出系统
                    isExit = true;
                    break;
            }

            // 返回主界面
            if (!isExit) {
                System.out.print("输入0返回：");
                num = sc.nextInt();
            } else {
                break;
            }
        } while (num == 0);
        System.out.println("谢谢惠顾，欢迎您再次使用！");
        sc.close();


    }
}
